16945840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6833}}^1$

素因数の和:6877

約数の個数: 40

約数和(自身を含む): 40675968

約数和(自身を除く): 23730128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6833, 13666, 27332, 34165, 54664, 68330, 109328, 136660, 211823, 273320, 423646, 546640, 847292, 1059115, 1694584, 2118230, 3389168, 4236460, 8472920, 16945840]

約数ペア:

[(1, 16945840), (2, 8472920), (4, 4236460), (5, 3389168), (8, 2118230), (10, 1694584), (16, 1059115), (20, 847292), (31, 546640), (40, 423646), (62, 273320), (80, 211823), (124, 136660), (155, 109328), (248, 68330), (310, 54664), (496, 34165), (620, 27332), (1240, 13666), (2480, 6833)]